* c-typeck.c (build_unary_op): If pedantic, pedwarn for increment and decrement of complex types. testsuite: * gcc.dg/c99-complex-2.c: New test. From-SVN: r37164
23 lines
880 B
C
23 lines
880 B
C
/* Test for _Complex: in C99 only. Test for increment and decrement. */
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/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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/* { dg-do compile } */
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/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
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/* Use of ++ and -- on complex types (both prefix and postfix) is a
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C99 constraint violation (6.5.2.4p1, 6.5.3.1p1).
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*/
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_Complex double
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foo (_Complex double z)
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{
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z++; /* { dg-bogus "warning" "warning in place of error" } */
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/* { dg-error "complex" "postinc" { target *-*-* } 13 } */
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++z; /* { dg-bogus "warning" "warning in place of error" } */
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/* { dg-error "complex" "preinc" { target *-*-* } 15 } */
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z--; /* { dg-bogus "warning" "warning in place of error" } */
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/* { dg-error "complex" "postdec" { target *-*-* } 17 } */
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--z; /* { dg-bogus "warning" "warning in place of error" } */
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/* { dg-error "complex" "predec" { target *-*-* } 19 } */
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return z;
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}
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